Home / 55,854.36-77,079.24-30,360.96

Finding the Fourth Proportional to 55,854.36, 77,079.24 and 30,360.96

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Solution

The fourth proportional to 55,854.36, 77,079.24 and 30,360.96 is: 41,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.36 : 77,079.24 = 30,360.96 : x
  2. Step 2: Convert to fraction form
    55,854.36/77,079.24 = 30,360.96/x
  3. Step 3: Cross multiply
    55,854.36x = 77,079.24 × 30,360.96
  4. Step 4: Simplify right side
    55,854.36x = 2,340,199,722.47
  5. Step 5: Solve for x
    x = 2,340,199,722.47/55,854.36
  6. Step 6: Final answer
    x = 41,898.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.